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SashulF [63]
3 years ago
13

PLZZZZZZ HEEEEEEEEELLLLLPPPPP (will mark brainliest for correct answers)

Mathematics
1 answer:
alexdok [17]3 years ago
6 0

Answer:

y=4

Step-by-step explanation:

3(9) +4y= 43

27+4y=43

4y=16

y=4

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This is for geometry & I need help.
KiRa [710]

Answer:

1540 cubic millimeters

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A bag contains three green marbels and eight white marbels. suppose in marble is randomly selected. what are the odds in favor o
andrezito [222]
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3 years ago
Read 2 more answers
Alex the electrician needs 34 yards of electrical wire to complete his job. He has a coil of wiring in his workshop. The coiled
bogdanovich [222]

Answer: This coil will not be enough to complete the job.

Step-by-step explanation:

The circumference of the coil of wiring can be calculated with:

C=2\pi r

Where r is the radius and \pi=3.14

The radius can be calculated by dividing the diameter by 2. Then:

r=\frac{18in}{2}\\\\r=9in

Convert 9 inches to yards (1 yard=36 inches):

(9in)(\frac{1yd}{36in})=0.25yd

Substitute this radius into the formula:

C=2(3.14)(0.25yd)\\C=1.57yd

Since there are 21 circles of wire, you need to multiply C=1.57yd by 21:

C_T=(1.57yd)(21)=32.97yd

The coil has 32.97 yards of wire and Alex needs 34 yards, therefore, this coil will not be enough  to complete the job.

8 0
3 years ago
A father is 60 years old just son is half his age how old was the boy when his father was four times his age
gayaneshka [121]

So, what you would have to do is figure out how old he is not which is 30 yrs old because it is half of 60.

So, after this you would have to find a number that would go into 60 four times which is 15.

So, your answer would be 15.


HOPES THIS HELPS!!!!

6 0
3 years ago
Someone please help me with this question ?
Anna11 [10]
X = 11 x cos(22) = 10.199  = 10.2
3 0
3 years ago
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